Public bug reported:
Hello.
Within the past week or so, a new bug has cropped up on Network Manager
on 16.04.
When Network Manager on 16.04 is configured to use dnsmasq and not
systemd-resolved, one is expecting VPN DNS servers to be properly set
and dnsmasq to properly route DNS requests to the Internet.
However, when connecting to my OpenVPN connection, dnsmasq now fails
extremely hard and no longer replies or routes data for DNS requests
properly. This results in me having to use a fail-over workaround of
enforcing resolvconf to use my local `bind9` instance on my own system
for DNS, which is configured to route to Google for DNS requests. This,
however, prohibits me from using my own DNS on my VPN connect, which are
on the remote location and serve internal ranges and domains that I
should be permitted to access.
Given these issues, with `dnsmasq` just outright exploding in our faces
and no longer being usable for DNS request routing over the VPN, I'm not
even sure we can consider VPN DNS as a viable option anymore with 16.04.
Note that this is only *very* recently a problem within the past few
weeks, and I can't find any updates which would have impacted this.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: network-manager 1.2.6-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.4.0-66.87-generic 4.4.44
Uname: Linux 4.4.0-66-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Mar 23 14:04:06 2017
InstallationDate: Installed on 2016-12-20 (92 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.2.6 connected started full enabled enabled
enabled enabled enabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug third-party-packages xenial
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1675519
Title:
Network Manager w/ dnsmasq Dies when VPN-ing
Status in network-manager package in Ubuntu:
New
Bug description:
Hello.
Within the past week or so, a new bug has cropped up on Network
Manager on 16.04.
When Network Manager on 16.04 is configured to use dnsmasq and not
systemd-resolved, one is expecting VPN DNS servers to be properly set
and dnsmasq to properly route DNS requests to the Internet.
However, when connecting to my OpenVPN connection, dnsmasq now fails
extremely hard and no longer replies or routes data for DNS requests
properly. This results in me having to use a fail-over workaround of
enforcing resolvconf to use my local `bind9` instance on my own system
for DNS, which is configured to route to Google for DNS requests.
This, however, prohibits me from using my own DNS on my VPN connect,
which are on the remote location and serve internal ranges and domains
that I should be permitted to access.
Given these issues, with `dnsmasq` just outright exploding in our
faces and no longer being usable for DNS request routing over the VPN,
I'm not even sure we can consider VPN DNS as a viable option anymore
with 16.04.
Note that this is only *very* recently a problem within the past few
weeks, and I can't find any updates which would have impacted this.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: network-manager 1.2.6-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.4.0-66.87-generic 4.4.44
Uname: Linux 4.4.0-66-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Mar 23 14:04:06 2017
InstallationDate: Installed on 2016-12-20 (92 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW
WIFI WWAN-HW WWAN
running 1.2.6 connected started full enabled enabled
enabled enabled enabled
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